Thanks man I have fixed the problem now I got under it this Arvo to have a look and thought hmm maybe it's suspension as I looked I almost immediately noticed the passenger side rear wheel moved a lot more than it should so checked the wheel nuts and sure enough 3 wernt even finger tight, one was
Tight and one is gone lol I know I'm an idiot!! Hahaha but the knocking is gone and the wheel didn't come off while I was driving so I'm stoked thanks for the help though everyone